Nonprofits in Connecticut
Nonprofits in Connecticut. Browse 26,993 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Hartford Public Library
EIN 066026029 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hartford Rebels Semi Pro Football Corporation
EIN 880945943 · Headquarters: WINDSOR, CT, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Hartford Relays Com Inc
EIN 992068729 · Headquarters: West Hartford, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hartford Renaissance District Community Development Corporation
EIN 934227871 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hartford Rescue Mission Inc
EIN 562435781 · Headquarters: Hartford, CT, USA · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990
- Hartford Rib Off Inc
EIN 821571658 · Headquarters: HARTFORD, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hartford Roman Catholic Diocesan Corporation
EIN 060646669 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T
- Hartford School of Music Inc
EIN 060674164 · Headquarters: HARTFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990
- Hartford Sister City Project Inc
EIN 412311090 · Headquarters: Newington, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hartford Ski Club Inc
EIN 066011490 · Headquarters: Coventry, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Hartford Smith College Club
EIN 066051959 · Headquarters: Willington, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Hartford Soccer Club Inc
EIN 264728209 · Headquarters: Hartford, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Hartford Sports Foundation Inc
EIN 833816796 · Headquarters: Hartford, CT, US · Youth Development · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Hartford Stage Company Inc
EIN 060790484 · Headquarters: HARTFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hartford Symphony Orchestra Inc
EIN 060637319 · Headquarters: HARTFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hartford Telugu Christian Fellowship Inc
EIN 264161030 · Headquarters: Windsor, CT, US · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Hartford Tennis Club
EIN 060691832 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Hartford User Group Exchange Inc
EIN 222613745 · Headquarters: Glastonbury, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Hartford Wagner Festival Inc
EIN 462877749 · Headquarters: Farmington, CT, USA · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Hartford Wanderers Rfc Inc
EIN 061063424 · Headquarters: Hartford, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hartford Whalers Alumni Association Inc
EIN 061409121 · Headquarters: Middletown, CT, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Hartford Wild Roses Womens Rugby Inc
EIN 454570917 · Headquarters: Hartford, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hartford Wolfpack Booster Club Inc
EIN 061498024 · Headquarters: Bloomfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hartford Yacht Club
EIN 066003518 · Headquarters: South Glastonbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hartford Yard Goats Charitable Foundation Inc
EIN 161638341 · Headquarters: HARTFORD, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Hartford Young Dreamers Inc
EIN 394579951 · Headquarters: Hartford, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hartford Youth Dance Initiative Inc
EIN 061416760 · Headquarters: Windsor, CT, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Hartford Youth Scholars Inc
EIN 203495171 · Headquarters: HARTFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hartford's Got Talentinc
EIN 823700390 · Headquarters: SIMSBURY, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hartfords Proud Drill Drum & Dance Corp
EIN 471785315 · Headquarters: Hartford, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Hartland Historical Society Inc
EIN 222532376 · Headquarters: east hartland, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hartley Film Foundation Inc
EIN 060950982 · Headquarters: WESTPORT, CT, USA · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990
- Hartmann Family Foundation
EIN 066455941 · Headquarters: VERNON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-PF
- Hartnett Foundation
EIN 262452903 · Headquarters: MIDDLEBURY, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Hartofhope
EIN 464405639 · Headquarters: Glastonbury, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Hartong Family Foundation
EIN 922824291 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Harugari Singing Society Inc
EIN 060385114 · Headquarters: Branford, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Harvard Advocate Trustees Inc C/o Douglas Mcintyre
EIN 046111721 · Headquarters: ROXBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Harvard Business School Club of Connecticut Community Partners
EIN 201181444 · Headquarters: Fairfield, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Harvard Club of Fairfield County Inc
EIN 510200338 · Headquarters: Riverside, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Harvard Club of Southern Ct C/o Mark Goumas
EIN 060983535 · Headquarters: OXFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harvard Pilgrim Health Care of Connecticut Inc
EIN 461681667 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990
- Harvard Radcliffe Club of Northern Ct
EIN 061073317 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harvest Charity Inc
EIN 863473451 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harvest New England Assoc Inc
EIN 522129529 · Headquarters: HARTFORD, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Harvest Now
EIN 471586970 · Headquarters: WESTPORT, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harvest Research in Culture Inc
EIN 272749225 · Headquarters: Fairfield, CT, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Harvey Hubbell Foundation
EIN 066078177 · Headquarters: Shelton, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harwinton Agricultural Fair
EIN 222505393 · Headquarters: HARWINTON, CT, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990
- Harwinton Ambulance Association Inc
EIN 222533821 · Headquarters: HARWINTON, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harwinton Consolidated Pto
EIN 061429768 · Headquarters: HARWINTON, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Harwinton Historical Society Inc
EIN 237207703 · Headquarters: Harwinton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harwinton Land Conservation Trust Inc
EIN 237298286 · Headquarters: Harwinton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harwinton Library Friends Inc
EIN 061164566 · Headquarters: Harwinton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harwinton Volunteer Fire Department Incorporation
EIN 061290332 · Headquarters: Harwinton, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990
- Harwinton West Side Volunteer Fire Co Inc
EIN 061135268 · Headquarters: HARWINTON, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hasan Butler Memorial Food Program Inc
EIN 993791770 · Headquarters: Waterbury, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hasburg Chas-temple
EIN 066428902 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Haskins Laboratories Inc
EIN 131628174 · Headquarters: NEW HAVEN, CT, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990
- Haskins Laboratories Inc Retiree Veba Plan
EIN 061439510 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Haslam Memorial Foundation
EIN 873532975 · Headquarters: MOODUS, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hat City Communities Inc
EIN 934195914 · Headquarters: Danbury, CT, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hat City Cyclists Inc
EIN 061343434 · Headquarters: REDDING, CT, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Hat City Music Theater Inc
EIN 364488532 · Headquarters: DANBUTY, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hatfield Fund C/o Hatfield Insurance Agency
EIN 066064456 · Headquarters: FAIRFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Hatikvah Alliance Ltd
EIN 882276279 · Headquarters: NEW CANAAN, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Hats4healing Corp
EIN 882933947 · Headquarters: Cos Cob, CT, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Hatters Foundation
EIN 473543464 · Headquarters: Danbury, CT, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Hatton Elementary School Pto
EIN 270858562 · Headquarters: SOUTHINGTON, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Hatzalah of Waterbury Inc
EIN 201505320 · Headquarters: Waterbury, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990
- Haul of Fame Inc
EIN 061396176 · Headquarters: CANTERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Haven Children Orphange Inc
EIN 811406142 · Headquarters: HARTFORD, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Haven Help Inc
EIN 333434186 · Headquarters: Berlin, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Havenfort Inc
EIN 920803911 · Headquarters: Newtown, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Havenly
EIN 831094860 · Headquarters: NEW HAVEN, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Havens Harvest Inc
EIN 850627932 · Headquarters: New Haven, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hawks Football Club
EIN 473161115 · Headquarters: New Haven, CT, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Hawks Nest Investment Corp
EIN 066070399 · Headquarters: Wethersfield, CT, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Hawkwing Inc
EIN 061600366 · Headquarters: Glastonbury, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Hawthorne Beach Maintenance Association
EIN 061181989 · Headquarters: BYRAM, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Hay Burr Inn Corp
EIN 300845931 · Headquarters: Plainfield, CT, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hayden Station Fire Company Inc
EIN 471401777 · Headquarters: Windsor, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hayek Institute for American Renewal Inc
EIN 800422929 · Headquarters: STAMFORD, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hayes-velhage Post No 96 Holding Company
EIN 822920740 · Headquarters: West Hartford, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hayes-velhage Unit 96
EIN 832095077 · Headquarters: Newington, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Hayestown Avenue Pto
EIN 020763755 · Headquarters: Danbury, CT, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Hazardville Institute Conservancy Society Inc
EIN 061620974 · Headquarters: ENFIELD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Hazardville Memorial School Pto
EIN 270078571 · Headquarters: Enfield, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hazels House Rescue Inc
EIN 921182909 · Headquarters: greenwich, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hbc All Sports Family Foundation
EIN 933702718 · Headquarters: Fairfield, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Hccgb Foundation Inc
EIN 384376605 · Headquarters: BRIDGEPORT, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hcma Inc
EIN 472076151 · Headquarters: West Redding, CT, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Hcmy Inc
EIN 393903186 · Headquarters: Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hd Holding Corporation
EIN 222948683 · Headquarters: MANCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- HD360 - Haiti Diaspora 360 Inc
EIN 873001269 · Headquarters: Danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hdf Community Land Trust Inc
EIN 853499522 · Headquarters: STAMFORD, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hdosi Employees Activities Association
EIN 061283644 · Headquarters: DANBURY, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Head to Head
EIN 311682012 · Headquarters: Norwalk, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Heads and Principals Association C/o the Taft School
EIN 043105291 · Headquarters: WATERTOWN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Heads Up Hartford Inc
EIN 861131081 · Headquarters: BLOOMFIELD, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ